Drywall Calculators
Drywall estimating is about sheets, not square feet — a 4×8 sheet covers 32 square feet, but ceilings, closets, and odd corners change the real count. This calculator converts room or wall dimensions into sheet counts with a stated waste factor, plus the joint compound and fasteners needed to finish the job. It is the fastest way to price a basement finish or a garage conversion.
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Drywall FAQs
Divide your total wall and ceiling square footage by 32 (the coverage of one 4×8 sheet), then add waste for cuts — the calculator does this with a stated waste factor and rounds up to whole sheets, since you cannot buy half a sheet.
Yes — moisture-resistant board for wet areas, standard board elsewhere, and fire-rated Type X where code requires it (garages, furnace rooms). The sheet count is the same; only the board type changes by location.
Estimates are planning guides, not professional advice. Read the disclaimer.